---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7972 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5600.00 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.9G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 760 5283 4 2186 7181 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:5b:d4:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81495sec preferred_lft 81495sec inet6 fe80::f816:3eff:fe5b:d4ba/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7972) 03/22/26 _x86_64_ (2 CPU) 00:39:22 LINUX RESTART (2 CPU) 00:40:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.80 0.03 1.75 0.02 1.45 28.93 221.40 01:00:10 1.57 0.01 1.54 0.02 0.05 18.78 430.47 01:10:09 1.32 0.00 1.30 0.02 0.00 15.51 1.08 01:20:01 2.01 0.33 1.66 0.03 40.62 74.70 1.47 01:30:11 1.61 0.00 1.58 0.03 0.00 19.08 429.39 01:40:09 1.37 0.00 1.36 0.02 0.00 16.32 0.13 01:50:01 21.80 3.06 16.48 2.26 230.81 3116.11 867.80 02:00:12 17.59 0.06 3.58 13.96 2.21 212.51 108331.78 Average: 6.13 0.43 3.63 2.07 33.91 432.46 14032.69 00:40:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6288216 7535160 285536 3.51 30532 1422116 530904 5.78 446888 1182988 124 01:00:10 6280928 7528460 292184 3.59 30752 1422460 530968 5.78 447184 1183552 188 01:10:09 6293872 7541932 278700 3.43 30948 1422788 531036 5.78 447128 1184076 152 01:20:01 6262844 7539888 280228 3.45 31360 1450976 532288 5.80 460192 1201300 124 01:30:11 6262172 7539808 280316 3.45 31596 1451320 532428 5.80 460084 1201872 148 01:40:09 6262664 7540960 279172 3.43 31796 1451764 532460 5.80 460188 1202396 124 01:50:01 5363328 7467680 304456 3.74 85176 2183368 568564 6.19 548128 1941828 9380 02:00:12 5471276 7407120 374420 4.60 86784 2021820 632948 6.89 616508 1781612 22388 Average: 6060662 7512626 296876 3.65 44868 1603326 548950 5.98 485788 1359953 4078 00:40:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 2.78 0.15 0.37 0.11 0.00 0.00 0.00 0.00 01:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:10 ens3 0.74 0.05 0.10 0.03 0.00 0.00 0.00 0.00 01:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:09 ens3 0.70 0.06 1.43 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.02 0.39 4.24 0.67 0.00 0.00 0.00 0.00 01:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:11 ens3 0.43 0.04 0.09 0.03 0.00 0.00 0.00 0.00 01:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:09 ens3 0.46 0.06 0.11 0.05 0.00 0.00 0.00 0.00 01:50:01 lo 1.30 1.30 0.09 0.09 0.00 0.00 0.00 0.00 01:50:01 ens3 92.65 61.46 306.12 16.41 0.00 0.00 0.00 0.00 02:00:12 lo 1.05 1.05 0.06 0.06 0.00 0.00 0.00 0.00 02:00:12 ens3 25.02 16.86 14.46 5.89 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 15.36 9.81 40.33 2.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7972) 03/22/26 _x86_64_ (2 CPU) 00:39:22 LINUX RESTART (2 CPU) 00:40:09 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.34 0.00 0.18 0.07 0.04 99.37 00:50:01 0 0.15 0.00 0.18 0.13 0.05 99.50 00:50:01 1 0.54 0.00 0.18 0.01 0.04 99.23 01:00:10 all 0.30 0.00 0.15 0.01 0.04 99.50 01:00:10 0 0.20 0.00 0.15 0.01 0.04 99.60 01:00:10 1 0.41 0.00 0.15 0.01 0.04 99.40 01:10:09 all 0.23 0.00 0.07 0.01 0.04 99.65 01:10:09 0 0.05 0.00 0.07 0.01 0.05 99.82 01:10:09 1 0.41 0.00 0.07 0.01 0.04 99.47 01:20:01 all 0.36 0.00 0.10 0.03 0.04 99.47 01:20:01 0 0.25 0.00 0.13 0.03 0.04 99.55 01:20:01 1 0.47 0.00 0.07 0.02 0.03 99.40 01:30:11 all 0.23 0.00 0.14 0.01 0.04 99.57 01:30:11 0 0.06 0.00 0.16 0.00 0.04 99.73 01:30:11 1 0.40 0.00 0.13 0.02 0.03 99.41 01:40:09 all 0.27 0.00 0.05 0.01 0.04 99.63 01:40:09 0 0.05 0.00 0.08 0.02 0.05 99.80 01:40:09 1 0.48 0.00 0.03 0.00 0.03 99.46 01:50:01 all 10.91 0.00 1.69 0.57 0.05 86.77 01:50:01 0 6.87 0.00 1.40 0.49 0.05 91.19 01:50:01 1 14.96 0.00 1.98 0.65 0.06 82.35 02:00:12 all 6.74 0.00 0.75 0.07 0.08 92.37 02:00:12 0 8.00 0.00 0.88 0.10 0.07 90.95 02:00:12 1 5.47 0.00 0.62 0.04 0.08 93.79 Average: all 2.42 0.00 0.39 0.10 0.05 97.05 Average: 0 1.96 0.00 0.38 0.10 0.05 97.51 Average: 1 2.87 0.00 0.40 0.09 0.04 96.59